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CY14MB256J Datasheet

Part Number CY14MB256J
Manufacturers Cypress
Logo Cypress
Description 256-Kbit (32 K × 8) Serial (I2C) nvSRAM
Datasheet CY14MB256J DatasheetCY14MB256J Datasheet (PDF)

CY14MC256J CY14MB256J CY14ME256J 256-Kbit (32 K × 8) Serial (I2C) nvSRAM 256-Kbit (32 K × 8) Serial (I2C) nvSRAM Features ■ 256-Kbit nonvolatile static random access memory (nvSRAM) ❐ Internally organized as 32 K × 8 ❐ STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using I2C command (Software STORE) or HSB pin (Hardware STORE) ❐ RECALL RECALL) to or SRAM initiated on power-up (Power-Up by I2C command (Software RECALL) ❐ Automatic STORE .

  CY14MB256J   CY14MB256J






256-Kbit (32 K × 8) Serial (I2C) nvSRAM

CY14MC256J CY14MB256J CY14ME256J 256-Kbit (32 K × 8) Serial (I2C) nvSRAM 256-Kbit (32 K × 8) Serial (I2C) nvSRAM Features ■ 256-Kbit nonvolatile static random access memory (nvSRAM) ❐ Internally organized as 32 K × 8 ❐ STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using I2C command (Software STORE) or HSB pin (Hardware STORE) ❐ RECALL RECALL) to or SRAM initiated on power-up (Power-Up by I2C command (Software RECALL) ❐ Automatic STORE on power-down with a small capacitor (except for CY14MX256J1) ■ High reliability ❐ Infinite read, write, and RECALL cycles ❐ 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 C ■ High speed I2C interface[1] ❐ Industry standard 100 kHz and 400 kHz speed ❐ Fast-mode Plus: 1 MHz speed ❐ High speed: 3.4 MHz ❐ Zero cycle delay reads and writes ■ Write protection ❐ Hardware protection using Write Protect (WP) pin ❐ Software block protection for one quarter, half, or entire array ■ I2C access to special functions ❐ Nonvolatile STORE/RECALL ❐ 8 byte serial number ❐ Manufacturer ID and Product ID ❐ Sleep mode ■ Low power consumption ❐ Average active current of 1 mA at 3.4-MHz operation ❐ Average standby mode current of 150 µA ❐ Sleep mode current of 8 µA ■ Industry standard configurations ❐ Operating voltages: • CY14MC256J: VCC = 2.4 V to 2.6 V • CY14MB256J: VCC = 2.7 V to 3.6 V • CY14ME256J: VCC = 4.5 V to 5.5 V ❐ Industrial temperature ❐ 8- and 16-pin small outline i.


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